Car computer read engine hot/ac off

Asked by MoSo Oct 13, 2018 at 11:50 AM about the 2011 Chevrolet Impala LT FWD

Question type: Maintenance & Repair

I have a 2011 Chevy impala. I noticed I had the
code come on saying engine hot ac off. I opened
the radiator cap noticed a reddish sludge build up
in it. What are some things I can do to get rid of it. I
bought the car about 5 months ago the problem
just started. What are some do it yourself remedies
I can try??

1 Answer

Copenhagen answered 5 years ago

The red slidge is most likely stop leak radiator sealant if the car is secondhand which can be eliminated by flushing the coolant system and heater core

Mark helpful

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